chore(gradle): bump immutables from 2.11.6 to 2.12.1

Bumps `immutables` from 2.11.6 to 2.12.1.

Updates `org.immutables:value` from 2.11.6 to 2.12.1
- [Release notes](https://github.com/immutables/immutables/releases)
- [Commits](immutables/immutables@2.11.6...2.12.1)

Updates `org.immutables:value-annotations` from 2.11.6 to 2.12.1
- [Release notes](https://github.com/immutables/immutables/releases)
- [Commits](immutables/immutables@2.11.6...2.12.1)

---
updated-dependencies:
- dependency-name: org.immutables:value
  dependency-version: 2.12.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.immutables:value-annotations
  dependency-version: 2.12.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -47,7 +47,7 @@ gwtJetty = "9.4.44.v20210927"
 hadoop = "3.4.1"
 hdrhistogram = "2.2.2"
 iceberg = "1.10.1"
-immutables = "2.12.0"
+immutables = "2.12.1"
 jackson = "2.20.1"
 jakarta-servlet = "6.0.0"
 jakarta-websocket = "2.1.1"